PURPOSE: To provide a fed dust treating device in a thresher so designed that the intake of delivery material through the fed dust port of a handling chamber is made smooth and the feed action in a treating drum chamber is stabilized to improve fed dust treating performance.
CONSTITUTION: The device designed to treat delivery material drawn through the fed dust port 2 of a handling chamber 1 in a treating drum chamber 3. The starting end of the treating drum 4 is implanted with a spiral roller 5 and the remaining peripheral surface with treating teeth 6, and the spiral roller 5 and part of the teeth 6 are faced on the fed dust port 2; or, among such treating teeth 6, those implanted into the portion of the peripheral surface facing on the fed dust port 2 and that threaded somewhat into the port 2 are provided with lead angle and densely implanted.
FUKUI HAJIME
WADA SEIJI
